d1470300c - WRG-S-DN40CF, Certificated

WRG-S-DN40CF, Certificated

D1470300C

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Overview

The Wide Range Gauge (WRG) family offers the capability of single port pressure measurement in the range atmosphere to 10-9 mbar with a linear output. Its a compact solution, halving the space and connectivity hardware requirement, which can be all important in many applications. The WRG has many novel features, including a new patented striker, pushbutton calibration and set point controls and comprehensive diagnostics. The WRG is a cost-effective vacuum management solution when used either with a Edwards controller or directly integrated into the system controls.

Technology

The WRG is a combination gauge, using Pirani technology for the upper pressure range, with a seamless switch over to an inverted magnetron for the lower range.

For ease of operation and more accurate pressure reading, the vacuum setting of the Pirani gauge is set automatically, while a single pushbutton sets atmospheric pressure. The WRG has an easy-to-program set-point which operates over the entire measurement range.

The magnetron uses an advanced technique for highly reliable striking, even at high vacuum or in relatively contaminated conditions. To optimize the lifetime of the gauge, the magnetron HT voltage is reduced after ignition and the magnetron operates with a low discharge current.

The WRG meets EMC requirements for both light industrial emissions and heavy industrial immunity.

Applications

  • Any vacuum system where there is a need to measure pressure over a wide range. The WRG with an AGD represents a very simple and cost effective means of achieving this.
     
  • The linear output and equation make WRG’s an attractive option for industrial OEM’s where the gauge may be directly integrated into the process controller.
  • The WRG is suitable for a wide range of HV and UHV applications, however if your process will spend a significant amount of time between 5x10-4 and 5x10-3mbar then Edwards recommend using independent APG100 Pirani and AIM Penning gauges, as this will improve gauge reliability for your application.
d14701000 - WRG-S-NW25

WRG-S-NW25

D14701000
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d14703000 - WRG-S-DN40CF

WRG-S-DN40CF

D14703000
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d1470100c - WRG-S-NW25, Certificated

WRG-S-NW25, Certificated

D1470100C
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d1470300c - WRG-S-DN40CF, Certificated

WRG-S-DN40CF, Certificated

D1470300C
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Features and Benefits

  • Microprocessor signal processing gives seamless transition between Pirani and magnetron outputs as well as linear output (log pressure scale)
  • Automatic vacuum setting of Pirani gauge element
  • Single push button atmosphere setting
  • Easily programmed set point covering entire measuring range
  • Magnetron uses an advanced patented technique for highly reliable striking, even at high vacuum or in relatively contaminated conditions
  • Extended service intervals and gauge lifetime, through reduction of HT voltage after ignition and low discharge current
  • Ultra compact, featuring recessed electrical connector
  • Easy service; both Pirani and magnetron elements are individually replaceable
  • Comprehensive failure mode diagnostics facility

Technical Data

Pressure range Atmosphere to 10-9 mbar/Torr
Accuracy * Typically ±15% <100 mbar and ±30%<10-3 mbar
Maximum over pressure 6 bar absolute (87 psia)
Power supply +14.5 to +36 V d.c.
Power consumption 2 W maximum
Output signal 1.8 to 10.2 V d.c.
Adjustments Atmosphere and setpoint
Set point Open collector transistor
Maximum voltage 40 V d.c.
Current 100 mA maximum
Temperature range
Operating +5 to +60 oC
Storage 0 to +70 oC
Materials exposed to vacuum (Both NW and CF versions) Stainless steel (AISI 304, 316, 321, 347), Fluoroelastomer, soda lime glass, Tungsten, trace of Nickel and Nickel Iron
Internal volume 26 cm3
Weight 0.8 kg
External interface connector 8-way FCC68 / RJ45 Socket
Interface cables Use range of active gauge cables
Standards
Electromagnetic compatibility EN 61326 Industrial Location, Class B emissions
Enclosure rating IP40
Pin allocation **
1. Power supply positive 5. Signal common
2. Power supply common 6. Set-point output
3. Gauge output 7. Atmosphere calibration
4. Gauge identification 8. Not connected

* Accuracy is reduced at the limits of the measuring range.
** Not shown on diagram

Performance

Dimensions

d40001005 - 0.5M Active Gauge Cable

0.5M Active Gauge Cable

D40001005
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d40001999 - 100M Active Gauge Cable Assembly

100M Active Gauge Cable Assembly

D40001999
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d02110000 - NW25 Centring 3D Baffle FKM GP

NW25 Centring 3D Baffle FKM GP

D02110000
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d40001050 - 5M Active Gauge Cable

5M Active Gauge Cable

D40001050
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d14701800 - WRG-S Elect & Mag Housing NW25

WRG-S Elect & Mag Housing NW25

D14701800
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d40001150 - 15M Active Gauge Cable

15M Active Gauge Cable

D40001150
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d14701803 - Spares Kit WRG Pirani Tube

Spares Kit WRG Pirani Tube

D14701803
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d40001500 - 50M Active Gauge Cable

50M Active Gauge Cable

D40001500
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d40001010 - 1M Active Gauge Cable

1M Active Gauge Cable

D40001010
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d40001030 - 3M Active Gauge Cable

3M Active Gauge Cable

D40001030
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d14703801 - WRG Body Tube Assy DN40CF

WRG Body Tube Assy DN40CF

D14703801
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d40001100 - 10M Active Gauge Cable

10M Active Gauge Cable

D40001100
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d40003100 - WRG D Adapter Cable 9-Way D/Fcc68

WRG D Adapter Cable 9-Way D/Fcc68

D40003100
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d40006000 - Surge Protector Box

Surge Protector Box

D40006000
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d14701802 - Spares Kit WRG Electrode Assy

Spares Kit WRG Electrode Assy

D14701802
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d40001250 - 25M Active Gauge Cable

25M Active Gauge Cable

D40001250
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Wide Range Gauge

Wide range gauge manual

Wide Range Gauge Datasheet

Wide Range Gauge Datasheet